コード例 #1
0
void AudioInputCubeb::UpdateDeviceList()
{
  cubeb* cubebContext = CubebUtils::GetCubebContext();
  if (!cubebContext) {
    return;
  }

  cubeb_device_collection *devices = nullptr;

  if (CUBEB_OK != cubeb_enumerate_devices(cubebContext,
                                          CUBEB_DEVICE_TYPE_INPUT,
                                          &devices)) {
    return;
  }

  for (auto& device_index : (*mDeviceIndexes)) {
    device_index = -1; // unmapped
  }
  // We keep all the device names, but wipe the mappings and rebuild them

  // Calculate translation from existing mDevices to new devices. Note we
  // never end up with less devices than before, since people have
  // stashed indexes.
  // For some reason the "fake" device for automation is marked as DISABLED,
  // so white-list it.
  mDefaultDevice = -1;
  for (uint32_t i = 0; i < devices->count; i++) {
    if (devices->device[i]->type == CUBEB_DEVICE_TYPE_INPUT && // paranoia
        (devices->device[i]->state == CUBEB_DEVICE_STATE_ENABLED ||
         (devices->device[i]->state == CUBEB_DEVICE_STATE_DISABLED &&
          devices->device[i]->friendly_name &&
          strcmp(devices->device[i]->friendly_name, "Sine source at 440 Hz") == 0)))
    {
      auto j = mDeviceNames->IndexOf(devices->device[i]->device_id);
      if (j != nsTArray<nsCString>::NoIndex) {
        // match! update the mapping
        (*mDeviceIndexes)[j] = i;
      } else {
        // new device, add to the array
        mDeviceIndexes->AppendElement(i);
        mDeviceNames->AppendElement(devices->device[i]->device_id);
      }
      if (devices->device[i]->preferred & CUBEB_DEVICE_PREF_VOICE) {
        // There can be only one... we hope
        NS_ASSERTION(mDefaultDevice == -1, "multiple default cubeb input devices!");
        mDefaultDevice = i;
      }
    }
  }
  StaticMutexAutoLock lock(sMutex);
  // swap state
  if (mDevices) {
    cubeb_device_collection_destroy(mDevices);
  }
  mDevices = devices;
}
コード例 #2
0
ファイル: test_sanity.cpp プロジェクト: komh/cubeb-os2
TEST(cubeb, stable_devid)
{
  /* Test that the devid field of cubeb_device_info is stable
   * (ie. compares equal) over two invocations of
   * cubeb_enumerate_devices(). */

  int r;
  cubeb * ctx;
  cubeb_device_collection first;
  cubeb_device_collection second;
  cubeb_device_type all_devices =
    (cubeb_device_type) (CUBEB_DEVICE_TYPE_INPUT | CUBEB_DEVICE_TYPE_OUTPUT);
  size_t n;

  r = common_init(&ctx, "test_sanity");
  ASSERT_EQ(r, CUBEB_OK);
  ASSERT_NE(ctx, nullptr);

  r = cubeb_enumerate_devices(ctx, all_devices, &first);
  if (r == CUBEB_ERROR_NOT_SUPPORTED)
    return;

  ASSERT_EQ(r, CUBEB_OK);

  r = cubeb_enumerate_devices(ctx, all_devices, &second);
  ASSERT_EQ(r, CUBEB_OK);

  ASSERT_EQ(first.count, second.count);
  for (n = 0; n < first.count; n++) {
    ASSERT_EQ(first.device[n].devid, second.device[n].devid);
  }

  r = cubeb_device_collection_destroy(ctx, &first);
  ASSERT_EQ(r, CUBEB_OK);
  r = cubeb_device_collection_destroy(ctx, &second);
  ASSERT_EQ(r, CUBEB_OK);
  cubeb_destroy(ctx);
}